The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
CVSS Details
- CVSS 3.1 Base Score: 3.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade python-perf-debuginfoUpgrade bpftool-debuginfoUpgrade perf-debuginfoUpgrade kernelUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-livepatch-5.10.126-117.518Upgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.285-215.501Upgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade perf | Sep 30, 2022 | Jun 5, 2022 |
| Amazon_linux | — | Upgrade kernel | Jul 8, 2022 | Jun 5, 2022 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 5, 2022 |
| Debian | — | Upgrade linux | Jul 4, 2022 | Jun 5, 2022 |
| Dell Powerstore Dsa2023129 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Apr 4, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel | Oct 11, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-headersUpgrade python-perfUpgrade perfUpgrade kernel-toolsUpgrade kernel | Oct 11, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-develUpgrade python-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade perfUpgrade python3-perfUpgrade kernel-headersUpgrade kernelUpgrade kernel-tools-libs | Aug 18, 2022 | Jun 5, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel | Sep 14, 2022 | Jun 5, 2022 |
| Suse | — | Upgrade dtb-amazonUpgrade dtb-amlogicUpgrade kernel-symsUpgrade kernel-syms-rtUpgrade dtb-mediatekUpgrade kernel-64kb-livepatch-develUpgrade kernel-syms-azureUpgrade kernel-debug-baseUpgrade kernel-debug-livepatch-develUpgrade kernel-default-manUpgrade kernel-64kb-develUpgrade kernel-64kbUpgrade dtb-lgUpgrade dtb-apmUpgrade dtb-qcomUpgrade kernel-vanillaUpgrade kernel-preemptUpgrade dtb-exynosUpgrade kernel-macrosUpgrade kernel-devel-rtUpgrade dlm-kmp-defaultUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-docsUpgrade kernel-devel-azureUpgrade dtb-socionextUpgrade kernel-kvmsmall-develUpgrade kernel-sourceUpgrade kernel-azure-develUpgrade cluster-md-kmp-defaultUpgrade dtb-marvellUpgrade gfs2-kmp-rtUpgrade dtb-armUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade kernel-default-extraUpgrade gfs2-kmp-64kbUpgrade kernel-kvmsmallUpgrade dtb-freescaleUpgrade ocfs2-kmp-rtUpgrade kernel-rt-develUpgrade kernel-default-develUpgrade kernel-rt_debugUpgrade kernel-64kb-optionalUpgrade kernel-default-base-rebuildUpgrade kselftests-kmp-defaultUpgrade dtb-hisiliconUpgrade kernel-rtUpgrade dtb-xilinxUpgrade kernel-64kb-extraUpgrade kernel-debug-develUpgrade kselftests-kmp-64kbUpgrade dtb-alteraUpgrade dtb-allwinnerUpgrade dlm-kmp-64kbUpgrade kernel-default-optionalUpgrade kernel-vanilla-livepatch-develUpgrade kernel-vanilla-baseUpgrade kernel-default-livepatch-develUpgrade dtb-renesasUpgrade dtb-appleUpgrade dtb-sprdUpgrade kernel-default-baseUpgrade kernel-develUpgrade dtb-amdUpgrade kernel-vanilla-develUpgrade kernel-docs-htmlUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kernel-rt_debug-develUpgrade dtb-rockchipUpgrade reiserfs-kmp-64kbUpgrade kernel-source-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-obs-buildUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-64kbUpgrade kernel-azureUpgrade kernel-default-livepatchUpgrade kernel-preempt-develUpgrade kernel-debugUpgrade kernel-zfcpdump-manUpgrade kernel-kvmsmall-baseUpgrade kernel-source-vanillaUpgrade dtb-broadcomUpgrade kernel-defaultUpgrade dtb-nvidiaUpgrade dtb-caviumUpgrade ocfs2-kmp-64kb | Oct 26, 2022 | Jun 5, 2022 |
| Ubuntu | — | Upgrade linux-image-intel-iotgUpgrade linux-image-aws-lts-18.04Upgrade linux-image-5.4.0-1033-ibmUpgrade linux-image-gcpUpgrade linux-image-5.4.0-1046-bluefieldUpgrade linux-image-4.15.0-1142-awsUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oracle-lts-18.04Upgrade linux-image-virtualUpgrade linux-image-gke-5.4Upgrade linux-image-kvmUpgrade linux-image-snapdragonUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-bluefieldUpgrade linux-image-oemUpgrade linux-image-4.15.0-1054-dell300xUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-4.15.0-1137-gcpUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-4.15.0-1153-azureUpgrade linux-image-azure-lts-18.04Upgrade linux-image-4.15.0-194-generic-lpaeUpgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-1107-oracleUpgrade linux-image-4.15.0-1128-kvmUpgrade linux-image-5.4.0-1083-gkeUpgrade linux-image-5.15.0-48-genericUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-awsUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.4.0-1091-azureUpgrade linux-image-raspi-hwe-18.04Upgrade linux-image-5.15.0-48-lowlatencyUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-gkeUpgrade linux-image-oracleUpgrade linux-image-ibmUpgrade linux-image-gkeopUpgrade linux-image-generic-lpaeUpgrade linux-image-raspi2Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.4.0-1089-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-5.4.0-126-generic-lpaeUpgrade linux-image-aws-lts-20.04Upgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-5.15.0-48-generic-lpaeUpgrade linux-image-dell300xUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-raspiUpgrade linux-image-4.15.0-194-lowlatencyUpgrade linux-image-4.15.0-1142-aws-hweUpgrade linux-image-5.4.0-1083-oracleUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-5.15.0-48-generic-64kUpgrade linux-image-5.4.0-126-lowlatencyUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-48-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-4.15.0-1138-snapdragonUpgrade linux-image-gkeop-5.4Upgrade linux-image-5.4.0-1091-azure-fdeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-virtual-hwe-16.04Upgrade linux-image-5.4.0-126-genericUpgrade linux-image-4.15.0-194-genericUpgrade linux-image-5.15.0-1015-intel-iotgUpgrade linux-image-aws-hweUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-genericUpgrade linux-image-5.4.0-1085-awsUpgrade linux-image-5.4.0-1075-kvmUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1070-raspiUpgrade linux-image-4.15.0-1120-raspi2Upgrade linux-image-5.4.0-1053-gkeop | Sep 17, 2022 | Jun 5, 2022 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub